Wrench.



J. F. WALSH.

WRENCH.

APPLxcATloN man Auem. |911.

Patented Apr. 16, 1918.

. .7g Hammam Z9 Jaw/JWM@ a@ www 0F OAKLAND BEACH, RHODE ISLAND;

JOSEPHI F.1WAILsH,

WRENCH. y

To all whom t may concern:

Be it known that I,`JosEPH F. WALSH, a citizen of the UnitedStates, residing at Oakland Beach, in the county of Kent and State of Rhode Island, have invented new and useful Improvements in Wrenches, of which the following is a specification.'

This invention relates to improvements in that class ofwrenches known as monkey wrenches and has for its object to produce in a wrench of this character, simple, cheap, thoroughly effective and easily actuated means for locking the slidable jaw in fixed relation to the stationary jaw of the wrench.

It is a further object of the invention t0 produce a wrench which shall be quick in action, that is, wherein the movable j aw may be readily adjusted with respect to the stationary jaw, and which shall be constructed of comparatively few parts, all of which being removable and interchangeable.

I accomplish the above recited objects and others which will appear as the nature of the invention is more fully understood, by a construction, combination and operative arrangement of parts, a simple and satisfactory exemplification of which being illustrated by the accompanying drawing.

In the drawing,

Figure 1 is a side elevation of the wrench constructed in accordance with this invention.

Fig. 2 is a sectional view approximately on the line 2-2 of Fig. l.

Fig. 3 is a sectional view approximately on the line 3-8 of Fig. 2.

Fig. 4L is a perspective view of the slidable jaw, looking toward the outer end thereof.

Fig. 5 is a perspective view of the lockingi member or cap.

Fig. 6 is a similar view of the bar employed for retaining the locking member upon the carriage of the movable jaw.

The stationary jaw of the wrench is indicated by the numeral 10, the same being integrally formed with the angular shaft 11, the outer end of which, in this instance, providing the handle for the wrench. The shank, upon its inner edge, is provided with rack teeth 12.

The movable jaw is indicated by the numeral 13, the same, in the present instance, comprising a sheet of metal bent upon itself to provide bot-h the jaw 13 and the carriage 14 therefor, the metal, between the sides Specification of Letters Patent.V

Patented apnic, isis.

Application filed August 31, 1917. Serial l1\To. 189,183.

thereof forming the jaw proper having a iiller strip which is secured to the said sides, by bolts, rivets, or in any other desired manu ner. The carriage la'receives thev shank 11 of the stationary jaw 10 and the said carriage, upon its outer face, and directly to thev rear of the wall of the jaw proper is provided with an elongated slot or opening 15. The rear of the jaw, ina line with the said slot or ropening 15, has the filler member thereof provi ed with a longitudinal depression 16, and the carriage, to the outer end of the slot or opening l5 is provided w1th alining openings 17 and through these openings is designed to pass a member 18 which may be in the nature of a pin or rivet, and which, if desired, may be removable. The member 18 is designed to pass through an opening in the widened or oifset end 19 of a retaining bar 20, the opposite end of the said bar being reduced to provide a finger 21 which is received in the depression 16 in the inner face of the jaw 10. The bar 20 is designed to be received in the outer bifurcated portion 22, of the locking member 23. This member 23 includes a widened head 24. which, upon its outer surface is provided with spaced transverse slots or openings 25 providing therebetween rivets or teeth 26, the said slots or openings being designed to receive the teeth of the communicating with the opposite sides of the said teeth. The arms or sides 27 provided by the bifurcated outer portion of the locking member 23 have their ends formed with lateral extensions 28, thus forming depressions between the said sides, the heads and the said extensions 28 to permit ofl the free entrance of the fingers of the operator therein, so that the locking member 28 may be moved outwardly with respect to the movable jaw to bring the same out of engagement with the teeth 12 of the shank and to permit of the sliding of the movable jaw upon the shank of the stationary jaw.

To retain the locking member in engagement with the teeth 12, I arrange in the pocket or bifurcated portion ofthe locking member a Z shaped spring 29, one of the longitudinal arms of which bearing against the inner wall of the bar 20, the other longitudinal arm contacting with the vunder face of the head, or the inner wall provided by the bifurcated portion of the locking niember 23.

The construction, advantages, and operashank 11, the ribs 26 tion of the device, will, it is thought, be perfectly apparent, from the foregoing description, so that a more extensive explanation is not deemed necessary.

Having thus described my invention, what I claim is:

1. In a wrench of the class set forth, a jaw having an angular toothed shank, a slidable jaw including a carriage in said shank, said carriage having a transverse opening, a locking member in said opening including a head provided with transverse openings to receive the teeth from the shank and a bifurcated portion below said head, a bar removably secured to the carriage to receive the said bifurcated portion of the locking member, and a Z shaped Spring between the said bar and the inner wall provided by the bifur- Cated portion of the locking member.

2. In a wrench, a jaw having an angular toothed shank, a movable j aw having a Slob @opten of this patent may' be obtained for five cents each, by addressing the ted carriage receiving said shank, said carriage having a transverse opening, a bar removably connected to the carriage and bridging the opening at the outer portion thereof, a locking member in the opening and having an outer bifurcated portion straddling the bar, said locking member, upon its inner surface being provided with transverse slots, to receive the teeth of the shank, and

spring means concealed in the bifurcated portion of the locking member and .exerting a tension between the said locking member and the bar to normally force the locking member in engagement with the teeth of the shank. Y

In testimony whereof I afliXmmy signature.

S JOSEPH F. XIVALSH.

IDBI( Witnesses v A. E. RICHARD, EDWARD J KELLY.

Commissioner of Patents,

Washington, 1D. G. 

